tado? Smart Thermostat Starter Kit V3+ with Hot Water Control - Works with Alexa and Google Assistant With multi-room control and the new heating algorithm, tado? can save even more on your heating costs and make life more comfortable. An improved interface on the thermostat itself and the new Smart Schedules in the app make control of your heating even easier. The tado? Smart Thermostat uses your phone\'s location to control your heating, ensuring no energy is wasted. The smartphone app gives you full control over your heating wherever you are. Experience more comfort while saving up to 31% of your heating costs. Control your heating from anywhere with the tado? app on your phone, and have a clear overview of your climate history and savings. Reduce your energy consumption, save money, and enjoy the perfect room temperature at all times with help from intelligent Skills: Geofencing, Open Window Detection, and Weather Adaptation. Auto-Assist: For even more comfort you can automate Geofencing and Open Window Detection (available in-app, $/?2. 99/month, $/?24. 99/year, cancel anytime). Smart Home integration and voice control for your heating with Amazon Alexa, Apple Home Kit, Google Assistant, & IFTTT. For homes with an existing wired thermostat on a combi boiler (i. e. no hot water tank). tado? is compatible with 95% of heating systems. Integrations The new product suite offers several integration possibilities, such as Apple Home Kit, Google Home, Amazon Echo, and IFTTT. Make tado? part of your connected home and create scenes with Apple Home Kit. Use Siri, Google Assistant or Amazon Echo to voice control your heating and create Applets with IFTTT to connect with other applications and smart devices. The Extension Kit enables you to control your hot water. It is also needed to connect the tado? Smart Thermostat to your heating system if there is no room thermostat or if you have a wireless room thermostat. The Extension Kit works then as a wireless receiver for the heatin